Folk Music 'Nagin' -- Instrumental (Flute - 'Been').
It's a very popular and ancient folk music played by the serpenters (Saapurhey) by a special flute known as 'Been'.
Snakes in the 1st three fourth of this video are 'Cobra's (local name Gokhra/ Gokkhur/ Bastu saap/ Jaati saap) and the snake in the last fourth of this video is a 'Krait' (local name -- kewoote/ kaal saap).
Both are poisonous snakes. Urgent medical interventions are essential for the survival of the victims (of bitings caused by these snakes).